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140300380 = 22511637729
BaseRepresentation
bin10000101110011…
…01000001011100
3100202222222221101
420113031001130
5241404103010
621531042444
73322351003
oct1027150134
9322888841
10140300380
1172217830
123aba0424
13230b3c9c
14148c1c3a
15c4b573a
hex85cd05c

140300380 has 24 divisors (see below), whose sum is σ = 321415920. Its totient is φ = 51018240.

The previous prime is 140300359. The next prime is 140300393. The reversal of 140300380 is 83003041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318645 + ... + 319084.

It is an arithmetic number, because the mean of its divisors is an integer number (13392330).

Almost surely, 2140300380 is an apocalyptic number.

140300380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140300380 is an abundant number, since it is smaller than the sum of its proper divisors (181115540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140300380 is a wasteful number, since it uses less digits than its factorization.

140300380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637749 (or 637747 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140300380 is about 11844.8461366115. The cubic root of 140300380 is about 519.6205071394.

The spelling of 140300380 in words is "one hundred forty million, three hundred thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 637729 1275458 2550916 3188645 6377290 7015019 12754580 14030038 28060076 35075095 70150190 140300380